... They (ICANN"s board members) have disregarded overwhelming outpouring of opposition from the adult entertainment industry - the supposed sponsorship community - dismissing the interests of free speech on the Internet.

Interestingly, Fox News (surprise) opines that .xxx could increase your exposure to smut (not that there's anything wrong with that) because the porn biz will still be able to hang on to it's .com domains (for now):

... This expansion does not mean that pornographers would be taken out of their regular ".com" domains. So now they can lure your children with 'playwithcarly.com' and 'playwithcarly.xxx.'